Home / 14,129.04-21,167.73-6,618.81

Finding the Fourth Proportional to 14,129.04, 21,167.73 and 6,618.81

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Solution

The fourth proportional to 14,129.04, 21,167.73 and 6,618.81 is: 9,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.04 : 21,167.73 = 6,618.81 : x
  2. Step 2: Convert to fraction form
    14,129.04/21,167.73 = 6,618.81/x
  3. Step 3: Cross multiply
    14,129.04x = 21,167.73 × 6,618.81
  4. Step 4: Simplify right side
    14,129.04x = 140,105,183.00
  5. Step 5: Solve for x
    x = 140,105,183.00/14,129.04
  6. Step 6: Final answer
    x = 9,916.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.